209809728

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 126

約数和(自身を含む): 618817914

約数和(自身を除く): 409008186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 129, 144, 172, 192, 197, 258, 288, 344, 387, 394, 516, 576, 591, 688, 774, 788, 1032, 1182, 1376, 1548, 1576, 1773, 1849, 2064, 2364, 2752, 3096, 3152, 3546, 3698, 4128, 4728, 5547, 6192, 6304, 7092, 7396, 8256, 8471, 9456, 11094, 12384, 12608, 14184, 14792, 16641, 16942, 18912, 22188, 24768, 25413, 28368, 29584, 33282, 33884, 37824, 44376, 50826, 56736, 59168, 66564, 67768, 76239, 88752, 101652, 113472, 118336, 133128, 135536, 152478, 177504, 203304, 266256, 271072, 304956, 355008, 364253, 406608, 532512, 542144, 609912, 728506, 813216, 1065024, 1092759, 1219824, 1457012, 1626432, 2185518, 2439648, 2914024, 3278277, 4371036, 4879296, 5828048, 6556554, 8742072, 11656096, 13113108, 17484144, 23312192, 26226216, 34968288, 52452432, 69936576, 104904864, 209809728]

約数ペア:

[(1, 209809728), (2, 104904864), (3, 69936576), (4, 52452432), (6, 34968288), (8, 26226216), (9, 23312192), (12, 17484144), (16, 13113108), (18, 11656096), (24, 8742072), (32, 6556554), (36, 5828048), (43, 4879296), (48, 4371036), (64, 3278277), (72, 2914024), (86, 2439648), (96, 2185518), (129, 1626432), (144, 1457012), (172, 1219824), (192, 1092759), (197, 1065024), (258, 813216), (288, 728506), (344, 609912), (387, 542144), (394, 532512), (516, 406608), (576, 364253), (591, 355008), (688, 304956), (774, 271072), (788, 266256), (1032, 203304), (1182, 177504), (1376, 152478), (1548, 135536), (1576, 133128), (1773, 118336), (1849, 113472), (2064, 101652), (2364, 88752), (2752, 76239), (3096, 67768), (3152, 66564), (3546, 59168), (3698, 56736), (4128, 50826), (4728, 44376), (5547, 37824), (6192, 33884), (6304, 33282), (7092, 29584), (7396, 28368), (8256, 25413), (8471, 24768), (9456, 22188), (11094, 18912), (12384, 16942), (12608, 16641), (14184, 14792)]